Catostomoidei
Catostomidae


Cobitoidei
Cobitoidea


Cyprinoidei
Cyprinoidea


Gyrinocheiloidei
Gyrinocheilidae


Per 2019:
Phylogenetic classification of extant genera of fishes of the order Cypriniformes (Teleostei: Ostariophysi)
MILTON TAN & JONATHAN W. ARMBRUSTER
https://doi.org/10.11646/zootaxa.4476.1.4
http://zoobank.org/urn:lsid:zoobank.org:pub:C2F41B7E-0682-4139-B226-3BD32BE8949D
Sub Orders within the Order Cypriniformes